﻿using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class SpriteAlphaGroup : MonoBehaviour {

    public SpriteRenderer[] mGroup;
    public float mTimer = 0f;
    private float mLerpTime = 0f;

    private bool mIsPlayerAnima;


    public Color mStartColor = Color.white;
    public Color mEndColor = Color.red;

    private Color mAC;
    private Color mEC;

    [SerializeField]
    public bool mIsTestPlayerAnima;

    
    // Use this for initialization
    void Start ()
    {
        mAC = mStartColor;
        mEC = mEndColor;

        mLerpTime = mTimer;
    }

    void Update()
    {
  
        if (mIsPlayerAnima)
        {
            mTimer -= Time.deltaTime;
            float lerp = Mathf.PingPong(mTimer, mLerpTime) / mLerpTime;
            Color newC = Color.Lerp(mEC , mAC, lerp);
            SetColor(newC);
            if (mTimer <= 0)
            {
                mIsPlayerAnima = false;
                mTimer = 0f;
                SetColor(mEC);
            }
        }

        if (mIsTestPlayerAnima)
        {
            StartPlay();
            mIsTestPlayerAnima = false;
        }
    }

    public void StartPlay()
    {
        mIsPlayerAnima = true;
    }

    public void SetColor(Color color)
    {
        if (mGroup == null)
            return;

        for (int i = 0; i < mGroup.Length; i++)
        {
            mGroup[i].color = color;
        }
    }



}
